Dr. Danny H. Byun Jr., MD
- Medicare services, 2024
- 2,446
- Medicare patients, 2024
- 558
- Part D claims, 2024
- 1,617
- MIPS score, 2024
- 84
- Hospital affiliations
- 3
- Practice address
- 9225 N 3rd St, Phoenix, AZ 85020
- Practice phone
- Call (602) 445-0751
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Affiliated Hospitalists, PLC
Phoenix, Arizona
Find Dr. Byun's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Danny H. Byun Jr. is a hospitalist in Phoenix, Arizona
Dr. Byun practices at Affiliated Hospitalists, PLC in Phoenix, Arizona.
Dr. Byun's NPI, 1811286925, was assigned on March 30, 2011. Dr. Byun graduated from University of Toledo College of Medicine in 2011. Dr. Byun holds Arizona license 50102.
- NPI
- 1811286925NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931427598
- NPI enumeration date
- March 30, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (602) 445-0751
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Danny H. Byun Jr. practices at Affiliated Hospitalists, PLC in Phoenix, Arizona
Dr. Byun's primary practice is Affiliated Hospitalists, PLC, at 9225 N 3rd St, Phoenix, AZ 85020 in Maricopa County. The practice phone is (602) 445-0751.
- Affiliated Hospitalists, PLC9225 N 3rd St, Phoenix, AZ 85020 · Maricopa CountyPhone(602) 445-0751
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Danny H. Byun Jr. is affiliated with 8 sites of care and 6 medical groups
Dr. Byun's primary practice is Affiliated Hospitalists, PLC in Phoenix, Arizona. Dr. Byun is also affiliated with HonorHealth Scottsdale Shea Medical Center. The medical group on file is Banner Medical Group. Dmand AI also links Dr. Byun to 2 more hospitals, 5 medical groups, 2 group practices and clinics and 2 skilled nursing facilities, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Danny H. Byun Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Byun practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Affiliated Hospitalists, PLC | Available with a free account |
| +7 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Danny H. Byun Jr. is one of 720 hospitalists in Arizona
Hospitalist is Dr. Byun's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Byun is licensed in Arizona.
Specialties and state licenses
- Hospitalist, ArizonaPrimary
Hospitalists near Dr. Byun
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Danny H. Byun Jr. billed Medicare for 2,446 services in 2024
CMS data shows 2,446 Medicare services from Dr. Byun across 11 procedure codes in 2024, for 558 Medicare patients. Medicare paid $210,942 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Byun's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,1472024: 2,41713%
- Other services
- 2023: 02024: 29
Dr. Byun compared with the Arizona median for hospitalists, 2024
- Dr. Byun
- Arizona median
- Medicare services
- 2,446vs 5124.8 times
- Medicare patients
- 558vs 2452.3 times
- Part D claims
- 1,012vs 9410.8 times
Medians across 617 hospitalists in Arizona with Dmand AI profiles that report each measure.
Dr. Byun's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Danny H. Byun Jr. treated 558 Medicare patients in 2024, average age 77
CMS counts 558 Medicare patients who saw Dr. Byun in 2024. The largest group is 75 to 84, with 215 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.45, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Byun's median patient age at 72, with 53% women.
Dr. Byun's Medicare patients by age, 2024
Dr. Byun's Medicare patients by sex, 2024
- Women30755%
- Men25145%
Chronic conditions among Dr. Byun's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease54%
- Chronic kidney disease49%
- Mood disorders45%
- Heart failure43%
- Atrial fibrillation42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Byun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Danny H. Byun Jr. wrote 1,617 Medicare Part D claims in 2024
In 2024, Dr. Byun wrote 1,617 Medicare Part D claims for 380 patients. 86% of them were for generic drugs. CMS names the drug for 1,012 of them, across 36 drugs with 11 or more claims each, at $59,934 in total drug cost. In 2023, CMS named 1,161 claims across 39 drugs.
Dr. Byun's Part D claims by kind of drug, 2024
- Generic1,386 claims86%
- Brand-name and other231 claims14%
Dr. Byun's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Byun's Part D claims, 2024
- Opioids5%75 of 1,617 claims
- Antibiotics11%174 of 1,617 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,1612024: 1,01213%
Drugs named by CMS: 36 in 2024, 39 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Danny H. Byun Jr. scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Byun for performance year 2024, reported as part of a group. Dr. Byun accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Byun's MIPS scores, performance year 2024
- 84of 100Final score
- 65of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Danny H. Byun Jr. received $2,101 in industry payments from 2016 to 2022
CMS Open Payments shows 37 general payments to Dr. Byun from 13 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Medtronic Vascular, Inc. paid the most, $531.
General payments to Dr. Byun by program year, 2016 to 2022
Companies that paid Dr. Byun the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Danny H. Byun Jr. graduated from University of Toledo College of Medicine
Dr. Byun graduated from University of Toledo College of Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Danny H. Byun Jr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Danny H. Byun Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Danny H. Byun Jr.'s NPI number?
Dr. Danny H. Byun Jr.'s NPI number is 1811286925. It was assigned on March 30, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Danny H. Byun Jr.?
Dr. Danny H. Byun Jr. is a hospitalist in Phoenix, Arizona. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Danny H. Byun Jr. practice?
Dr. Byun practices at 9225 N 3rd St, Phoenix, AZ 85020. Dr. Byun's primary practice is Affiliated Hospitalists, PLC in Phoenix, Arizona. Dmand AI also links Dr. Byun to 2 hospitals, 5 medical groups, 2 group practices and clinics and 2 skilled nursing facilities.
What is Dr. Danny H. Byun Jr.'s office phone number?
The practice phone on file for Dr. Byun is (602) 445-0751.
What is Dr. Danny H. Byun Jr.'s medical license number?
Dr. Byun holds Arizona license 50102.
Which hospitals is Dr. Danny H. Byun Jr. affiliated with?
Dr. Byun is affiliated with HonorHealth Scottsdale Shea Medical Center. Dmand AI links Dr. Byun to 2 more hospitals.
What medical group is Dr. Danny H. Byun Jr. part of?
Dr. Byun is linked to Banner Medical Group. Dmand AI links Dr. Byun to 5 more medical groups.
Does Dr. Danny H. Byun Jr. accept Medicare?
Yes. CMS data shows Dr. Byun billed Medicare for 2,446 services in 2024, and Dr. Byun accepts Medicare assignment.
What is Dr. Danny H. Byun Jr.'s MIPS score?
Dr. Byun's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Danny H. Byun Jr. see?
CMS counts 558 Medicare patients who saw Dr. Byun in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Danny H. Byun Jr. bill to Medicare?
In 2024, Dr. Byun's most billed Medicare services were nursing facility care (99309), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. Danny H. Byun Jr. go to medical school?
Dr. Byun graduated from University of Toledo College of Medicine in 2011.
What drugs does Dr. Danny H. Byun Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Byun's most prescribed drugs by claims were Eliquis, Atorvastatin Calcium and Oxycodone HCl.
Has Dr. Danny H. Byun Jr. received payments from drug or device companies?
CMS Open Payments shows $2,101 in general payments to Dr. Byun from 13 companies from 2016 to 2022. The largest total came from Medtronic Vascular, Inc.
How long has Dr. Danny H. Byun Jr. been practicing?
Dr. Byun graduated from medical school in 2011, 15 years ago.
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